Yes, when you pull away from a traffic stop you have a big time f'ing problem. Go ask the district attorney or local sheriff where you live. That changes the ball game. You just went into a felony(or multiple felonies).
Resisting arrest by force. In some states, the crime of resisting arrest is limited to using force against an officer during a detention or arrest. Resisting arrest by force is usually a felony.
If the officer sustains any sort of injury, the defendant can also be convicted of battery against an officer. For more information on this crime, see Battery Against a Police Officer.
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Stop being stupid.
I'm not being stupid. However, the officer that shot the victim in the head appears to be. He's being charged with murder. If I was conversing with people who didn't think with their emotions, they'd understand that the officer being charged with murder proves that it isn't always ok to shoot somebody in the head for leaving a traffic stop.